One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(5,6,11,16)(7,17)(8,14,24,31)(9,15,10,13)(12,18)(19,34)(20,27)(21,26)(22,30,23,28)(25,35)(29,33)(32,36)(5,7)(6,12,16,27)(8,19)(9,20)(10,18)(11,21)(13,26,15,17)(14,29,31,25)(22,35)(23,33)(24,36)(28,32,30,34)(6,13)(7,18)(8,22)(9,10)(15,16)(17,26)(20,21)(23,24)(25,32)(28,30)(29,34)(33,35) involution — undirected(2,4)(5,8,9,22,11,24,10,23)(6,14,15,30,16,31,13,28)(7,19,20,35,21,36,18,33)(12,25,17,32,27,29,26,34)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.